1. Théorie de la spéculation;Bachelier;Ann. Sci. École Norm. Sup.,1900
2. A Brief Account of Microscopical Observations Made in the Months of June, July, and August, 1927, on the Particles Contained in the Pollen of Plants; and on the General Existence of Active Molecules in Organic and Inorganic Bodies;Brown,1828
3. Physiological Fragments;Bywater,1824
4. Dr. Henry Power’s poem on the microscope;Cowles;Isis,1934
5. A Witness Tree;Frost,1942